ARP 150-5802 Main Stud Kit for 2008–2010 Ford 6.4L Powerstroke

ARP main studs replace the factory main cap bolts to hold the caps against walk and fretting and to protect the block threads.

Key Benefits & Features

Material: 8740 chromoly steel, black oxide finish.
Hardware: 12-point nuts (11/16 in socket) and hardened parallel-ground washers; ARP Ultra-Torque lube.
Torque: Studs in three steps to 55, 110 and 170 ft-lb with ARP Ultra-Torque. Follow ARP's sequence.
Machine Work: ARP says to check main bores for size and roundness after installing and align hone if needed.

ARP 150-5802 Main Stud Kit for 2008–2010 Ford 6.4L Powerstroke

ARP main studs replace the factory main cap bolts to hold the caps against walk and fretting and to protect the block threads.

Key Benefits & Features

Material: 8740 chromoly steel, black oxide finish.
Hardware: 12-point nuts (11/16 in socket) and hardened parallel-ground washers; ARP Ultra-Torque lube.
Torque: Studs in three steps to 55, 110 and 170 ft-lb with ARP Ultra-Torque. Follow ARP's sequence.
Machine Work: ARP says to check main bores for size and roundness after installing and align hone if needed.